Cosmetic brush



FIG. 1 is a perspective view of cosmetic brush;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a handle in the drawings is forenvironmentally illustrative purposes only and forms no part of theclaimed design.

CLAIM The ornamental design for a cosmetic brush, as shown anddescribed.